Drug interactions
Dexmedetomidine + Methadone
Severity: Moderate
Dexmedetomidine and Methadone: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Both drugs depress the central nervous system, so combined use produces deeper sedation and can cause hypotension, bradycardia and respiratory depression. The effect is most relevant in monitored or perioperative settings.
What this interaction means in plain words
Dexmedetomidine and Methadone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Dexmedetomidine belongs to Central Nervous System; Methadone belongs to Musculoskeletal.
Why it happens
Additive CNS depression from opioid receptor agonism and central alpha-2 adrenergic agonism.
What to do
Titrate dexmedetomidine to sedation level and monitor respiratory rate, oxygen saturation, heart rate and blood pressure continuously. Reduce the dose of one or both agents if oversedation occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Methadone
- Alvimopan + Methadone Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Methadone Contraindicated
- Droperidol + Methadone Contraindicated
- Ibutilide + Methadone Contraindicated
- Isocarboxazid + Methadone Contraindicated
- Lefamulin + Methadone Contraindicated
Other interactions of Dexmedetomidine
Frequently asked questions
Can I take Dexmedetomidine with Methadone?
MediHelp rates the interaction as moderate. Dexmedetomidine and Methadone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Both drugs depress the central nervous system, so combined use produces deeper sedation and can cause hypotension, bradycardia and respiratory depression. The effect is most relevant in monitored or perioperative settings.
How serious is the interaction between Dexmedetomidine and Methadone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate dexmedetomidine to sedation level and monitor respiratory rate, oxygen saturation, heart rate and blood pressure continuously. Reduce the dose of one or both agents if oversedation occurs.
What other medicines interact with Methadone?
MediHelp also lists interactions of Methadone with, for example, Alvimopan, Calcium / magnesium / potassium / sodium oxybates, Droperidol. The full list is on the Methadone page.
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